divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tabledist.part.0+0x13f/0x170 net/sched/sch_netem.c:333 Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 a8 09 28 fb 48 81 eb 00 10 00 00 eb a5 e8 9a 09 28 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 8f c2 65 fb e9 0d ff ff RSP: 0018:ffffc900000075d8 EFLAGS: 00010246 RAX: 0000000020168651 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864d2396 RDI: 0000000000000005 RBP: ffffc90000007600 R08: ffffffff8987a140 R09: ffffed101235dd31 R10: ffffed101235dd30 R11: ffff888091aee987 R12: ffffffff80000000 R13: 0000000000000000 R14: 0000000020168651 R15: ffff888091b26000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d94d923140 CR3: 00000000a3777000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tabledist net/sched/sch_netem.c:536 [inline] netem_enqueue+0x416/0x2e10 net/sched/sch_netem.c:536 __dev_xmit_skb net/core/dev.c:3671 [inline] __dev_queue_xmit+0x152e/0x35c0 net/core/dev.c:3982 dev_queue_xmit+0x18/0x20 net/core/dev.c:4046 neigh_hh_output include/net/neighbour.h:499 [inline] neigh_output include/net/neighbour.h:508 [inline] ip6_finish_output2+0xfbe/0x25c0 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x25e/0x880 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] mld_sendpack+0x9c2/0xed0 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x454/0x950 net/ipv6/mcast.c:2477 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 78 94 db f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d c4 24 51 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d b4 24 51 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 9e 68 8b f9 e8 09 RSP: 0018:ffffffff89807ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff132669e RBX: ffffffff8987a140 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8987a9d4 RBP: ffffffff89807d18 R08: ffffffff8987a140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff8a7bb380 R14: 0000000000000000 R15: 0000000000000000 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690 default_idle_call+0x84/0xb0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x3c8/0x6e0 kernel/sched/idle.c:269 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:361 rest_init+0x23b/0x371 init/main.c:451 arch_call_rest_init+0xe/0x1b start_kernel+0x904/0x943 init/main.c:784 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 Modules linked in: ---[ end trace 747dc386c7c641be ]--- RIP: 0010:tabledist.part.0+0x13f/0x170 net/sched/sch_netem.c:333 Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 a8 09 28 fb 48 81 eb 00 10 00 00 eb a5 e8 9a 09 28 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 8f c2 65 fb e9 0d ff ff RSP: 0018:ffffc900000075d8 EFLAGS: 00010246 RAX: 0000000020168651 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864d2396 RDI: 0000000000000005 RBP: ffffc90000007600 R08: ffffffff8987a140 R09: ffffed101235dd31 R10: ffffed101235dd30 R11: ffff888091aee987 R12: ffffffff80000000 R13: 0000000000000000 R14: 0000000020168651 R15: ffff888091b26000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d94d923140 CR3: 00000000a3777000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400